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Ecology of Bagre marinus
 
Main Ref. Yáñez-Arancibia, A. and A. Lara-Dominguez, 1988
Remarks This species was known to occur in salinities ranging from 0 to 36 ppt, temperatures from 20 to 32 °C and water transparency from 0.3 to 1.2 m. The primary food of the juveniles is unidentifiable organic matter, the secondary food is fish with smaller amounts from other trophic groups (Ref. 8980).

Aquatic zones / Water bodies

Marine - Neritic Marine - Oceanic Brackishwater Freshwater
Marine zones / Brackish and freshwater bodies
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Bagre marinus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Yáñez-Arancibia, A. and A. Lara-Dominguez, 1988
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Yáñez-Arancibia, A. and A. Lara-Dominguez, 1988
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 3.51 0.49 3.28 0.54 Troph of juv./adults from 1 study.
From individual food items 3.88 0.67 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Yáñez-Arancibia, A. and A. Lara-Dominguez, 1988
(e.g. 346)
(e.g. cnidaria)
Comments & Corrections
 
 
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